While President Donald Trump forthrightly acknowledged only yesterday that weakening the Post Office will help him obstruct mail balloting this fall, postal workers in the key swing state of Michigan say his mission has been clear for weeks. “It’s a fundamental effort to undermine people’s confidence in this agency and make it harder to vote by mail…There’s no other explanation.” Delayed mail, a consequence of battles over funding for the United States Postal Service and of the agency’s staffing shortages, affects many aspects of American life—the delivery of millions of prescriptions, paychecks, bills.